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    Re: 10 DM Note
    From: Alexandre Eremenko
    Date: 2007 Jan 30, 09:45 -0500

    I found in Gauss's biography that I am reading
    now that he owned a 9-inch Troughton and Simms,
    but the book gives no more details, except that Gauss
    liked to use it very much. Apparently he never sailed,
    but used his sextant just for fun, with
    "land navigation". In the geodesic surveys he
    made as a part of his duty as an astronomer
    he used a Borda reflective circle and theodolites.
    For astronomical observations in his university
    observatory, he used meridian circles and transit
    instruments (some of them apparently are still
    in the observatory).
    It is not clear whether his sextant survived
    to our days. I've seen his observatory in Gottingen,
    (from outside)
    it looks completely neglected, and there is no
    access to the inside, no museum, nothing.
    On Mon, 29 Jan 2007, Michael Dorl wrote:
    > Here's a link to a picture of the 10 DM note with the sextant and the
    > portrait of Gauss.
    > It is fairly large and will take some minutes to load if you have a slow
    > connection as I
    > do.
    > http://www.didaktik.mathematik.uni-wuerzburg.de/history/ausstell/gauss/geldschein.html
    > >
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